The FLIR CM78-NIST is a True RMS industrial clamp meter for the electrician who works on high-powered equipment and temperature systems and needs a safe, capable combination tool. An integrated IR thermometer provides fast non-contact measurements on panels, conduits, and motors. FLIR Tools Mobile connects the FLIR CM78-NIST to your compatible smartphones and tablets via Bluetooth®, and METERLiNK® technology wirelessly integrates electrical readings on your infrared image with FLIR thermal cameras. Comes with certificate traceable to NIST.